Refill ink for your Spectrum Noir pen. Now you never need to re-purchase a pen because it ran out of ink. With this refill, your pen will last for years and years. Simply remove the chisel nib and use the handy dropper cap to fill the barrel with fresh, vibrant ink. Replace the nib and you're ready to color your world! Handy plastic refill bottle from Crafter's Companion is filled with 25 ml of ink—enough to refill your pen at least 5 times! What a terrific value!